Loading Port:China Main Port
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:-
1.High hardness
2.Good toughness
3.High density
4.Good erosion resistance
5.Regular shape
This product passed the inspection of National Testing Center for Supervising the Quality of Refractory Materiales. It accords with the national JC414-91 standard. High temperature resistant, shock resistant, counter bending. Providing manufacturers with stable and durable firing environment circumstance.
| Item | Unit | OK969 | OK989 |
| Color of mark | Yellow | Red | |
| Max.Service Temp. | .C | 1220 | 1350 |
| AL2O3 Content | % | >72 | >81 |
| Rate of Water Absorption | % | <11 | <8.5 |
| Anti-bending strength | Mpa | >40 | >51 |
| Thermal Shock Resistance | Excellent | Excellent | |
| Refractory Degree | .C | >1700 | >1800 |
| Diameter(mm) | Length(mm) |
| 65-68 | 3000-5000 |
| 60 | 2700-5000 |
| 55 | 2700-5000 |
| 50 | 2400-4600 |
| 45 | 2200-3800 |
| 42 | 2200-3800 |
| 40 | 2000-3500 |
| 36 | 2000-3200 |
| 35 | 1800-3100 |
| 33.7 | 1800-3100 |
| 32 | 1800-3100 |
| 25-31 | 1600-3100 |
